JP2014058504A - ジベンゾ[1,4]アザボリニン構造を含むリン光発光体 - Google Patents
ジベンゾ[1,4]アザボリニン構造を含むリン光発光体 Download PDFInfo
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- JP2014058504A JP2014058504A JP2013143327A JP2013143327A JP2014058504A JP 2014058504 A JP2014058504 A JP 2014058504A JP 2013143327 A JP2013143327 A JP 2013143327A JP 2013143327 A JP2013143327 A JP 2013143327A JP 2014058504 A JP2014058504 A JP 2014058504A
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- light emitting
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- KCQLSIKUOYWBAO-UHFFFAOYSA-N azaborinine Chemical group B1=NC=CC=C1 KCQLSIKUOYWBAO-UHFFFAOYSA-N 0.000 title abstract description 9
- 239000003446 ligand Substances 0.000 claims abstract description 62
- 229910052751 metal Inorganic materials 0.000 claims abstract description 49
- 239000002184 metal Substances 0.000 claims abstract description 49
- 150000001875 compounds Chemical class 0.000 claims abstract description 47
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 239000010410 layer Substances 0.000 claims description 74
- -1 amino, silyl Chemical group 0.000 claims description 30
- 125000003118 aryl group Chemical group 0.000 claims description 20
- 125000001072 heteroaryl group Chemical group 0.000 claims description 20
- 239000012044 organic layer Substances 0.000 claims description 19
- 125000003342 alkenyl group Chemical group 0.000 claims description 16
- 125000000217 alkyl group Chemical group 0.000 claims description 16
- 125000001424 substituent group Chemical group 0.000 claims description 16
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 15
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 14
- 229910052739 hydrogen Inorganic materials 0.000 claims description 14
- 239000001257 hydrogen Substances 0.000 claims description 14
- 125000000304 alkynyl group Chemical group 0.000 claims description 13
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims description 12
- 125000002252 acyl group Chemical group 0.000 claims description 12
- 125000003545 alkoxy group Chemical group 0.000 claims description 12
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 12
- 125000004104 aryloxy group Chemical group 0.000 claims description 12
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 12
- 125000000392 cycloalkenyl group Chemical group 0.000 claims description 12
- 229910052805 deuterium Inorganic materials 0.000 claims description 12
- 239000002019 doping agent Substances 0.000 claims description 12
- 150000002148 esters Chemical class 0.000 claims description 12
- 150000004820 halides Chemical class 0.000 claims description 12
- 125000004404 heteroalkyl group Chemical group 0.000 claims description 12
- 150000002431 hydrogen Chemical class 0.000 claims description 12
- 150000002527 isonitriles Chemical class 0.000 claims description 12
- 150000002825 nitriles Chemical class 0.000 claims description 12
- FVZVCSNXTFCBQU-UHFFFAOYSA-N phosphanyl Chemical group [PH2] FVZVCSNXTFCBQU-UHFFFAOYSA-N 0.000 claims description 12
- 125000000475 sulfinyl group Chemical group [*:2]S([*:1])=O 0.000 claims description 12
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 claims description 12
- 125000003396 thiol group Chemical group [H]S* 0.000 claims description 12
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 11
- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 claims description 10
- 150000004696 coordination complex Chemical class 0.000 claims description 10
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 8
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 8
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 claims description 8
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 8
- 229910052741 iridium Inorganic materials 0.000 claims description 8
- SLGBZMMZGDRARJ-UHFFFAOYSA-N Triphenylene Natural products C1=CC=C2C3=CC=CC=C3C3=CC=CC=C3C2=C1 SLGBZMMZGDRARJ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052697 platinum Inorganic materials 0.000 claims description 6
- 125000005580 triphenylene group Chemical group 0.000 claims description 6
- 125000006615 aromatic heterocyclic group Chemical group 0.000 claims description 5
- 238000009472 formulation Methods 0.000 claims description 5
- 235000010290 biphenyl Nutrition 0.000 claims description 4
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- 229930192474 thiophene Natural products 0.000 claims description 4
- 125000005842 heteroatom Chemical group 0.000 claims description 3
- 229910052762 osmium Inorganic materials 0.000 claims description 3
- 125000001054 5 membered carbocyclic group Chemical group 0.000 claims description 2
- 125000004008 6 membered carbocyclic group Chemical group 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 229910052763 palladium Inorganic materials 0.000 claims description 2
- 229910052702 rhenium Inorganic materials 0.000 claims description 2
- 229910052703 rhodium Inorganic materials 0.000 claims description 2
- 229910052707 ruthenium Inorganic materials 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 101100118680 Caenorhabditis elegans sec-61.G gene Proteins 0.000 claims 1
- 238000006467 substitution reaction Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 64
- 238000000034 method Methods 0.000 description 15
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- 230000004888 barrier function Effects 0.000 description 10
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- 229910052757 nitrogen Inorganic materials 0.000 description 10
- 230000000903 blocking effect Effects 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 9
- 238000004770 highest occupied molecular orbital Methods 0.000 description 8
- 238000004768 lowest unoccupied molecular orbital Methods 0.000 description 8
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- 230000005525 hole transport Effects 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 238000000151 deposition Methods 0.000 description 6
- TXCDCPKCNAJMEE-UHFFFAOYSA-N dibenzofuran Chemical compound C1=CC=C2C3=CC=CC=C3OC2=C1 TXCDCPKCNAJMEE-UHFFFAOYSA-N 0.000 description 6
- IYYZUPMFVPLQIF-UHFFFAOYSA-N dibenzothiophene Chemical compound C1=CC=C2C3=CC=CC=C3SC2=C1 IYYZUPMFVPLQIF-UHFFFAOYSA-N 0.000 description 6
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 6
- 239000011368 organic material Substances 0.000 description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 6
- XSCHRSMBECNVNS-UHFFFAOYSA-N quinoxaline Chemical compound N1=CC=NC2=CC=CC=C21 XSCHRSMBECNVNS-UHFFFAOYSA-N 0.000 description 6
- 229910052717 sulfur Inorganic materials 0.000 description 6
- 125000004122 cyclic group Chemical group 0.000 description 5
- 239000000412 dendrimer Substances 0.000 description 5
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- 125000004433 nitrogen atom Chemical group N* 0.000 description 5
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- 150000002894 organic compounds Chemical class 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- OBUDOIAYABJUHQ-UHFFFAOYSA-N 1,4-azaborinine Chemical compound B1=CC=NC=C1 OBUDOIAYABJUHQ-UHFFFAOYSA-N 0.000 description 4
- FCEHBMOGCRZNNI-UHFFFAOYSA-N 1-benzothiophene Chemical compound C1=CC=C2SC=CC2=C1 FCEHBMOGCRZNNI-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- SIKJAQJRHWYJAI-UHFFFAOYSA-N Indole Chemical compound C1=CC=C2NC=CC2=C1 SIKJAQJRHWYJAI-UHFFFAOYSA-N 0.000 description 4
- PCNDJXKNXGMECE-UHFFFAOYSA-N Phenazine Natural products C1=CC=CC2=NC3=CC=CC=C3N=C21 PCNDJXKNXGMECE-UHFFFAOYSA-N 0.000 description 4
- KYQCOXFCLRTKLS-UHFFFAOYSA-N Pyrazine Chemical compound C1=CN=CC=N1 KYQCOXFCLRTKLS-UHFFFAOYSA-N 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 4
- WIUZHVZUGQDRHZ-UHFFFAOYSA-N [1]benzothiolo[3,2-b]pyridine Chemical compound C1=CN=C2C3=CC=CC=C3SC2=C1 WIUZHVZUGQDRHZ-UHFFFAOYSA-N 0.000 description 4
- DZBUGLKDJFMEHC-UHFFFAOYSA-N acridine Chemical compound C1=CC=CC2=CC3=CC=CC=C3N=C21 DZBUGLKDJFMEHC-UHFFFAOYSA-N 0.000 description 4
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 4
- CUFNKYGDVFVPHO-UHFFFAOYSA-N azulene Chemical compound C1=CC=CC2=CC=CC2=C1 CUFNKYGDVFVPHO-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 4
- WDECIBYCCFPHNR-UHFFFAOYSA-N chrysene Chemical compound C1=CC=CC2=CC=C3C4=CC=CC=C4C=CC3=C21 WDECIBYCCFPHNR-UHFFFAOYSA-N 0.000 description 4
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 4
- AWJUIBRHMBBTKR-UHFFFAOYSA-N isoquinoline Chemical compound C1=NC=CC2=CC=CC=C21 AWJUIBRHMBBTKR-UHFFFAOYSA-N 0.000 description 4
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 4
- BBEAQIROQSPTKN-UHFFFAOYSA-N pyrene Chemical compound C1=CC=C2C=CC3=CC=CC4=CC=C1C2=C43 BBEAQIROQSPTKN-UHFFFAOYSA-N 0.000 description 4
- 0 *B1C(C=CI=C2)=C2N(*)c2ccccc12 Chemical compound *B1C(C=CI=C2)=C2N(*)c2ccccc12 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- DHFABSXGNHDNCO-UHFFFAOYSA-N dibenzoselenophene Chemical compound C1=CC=C2C3=CC=CC=C3[se]C2=C1 DHFABSXGNHDNCO-UHFFFAOYSA-N 0.000 description 3
- VVVPGLRKXQSQSZ-UHFFFAOYSA-N indolo[3,2-c]carbazole Chemical class C1=CC=CC2=NC3=C4C5=CC=CC=C5N=C4C=CC3=C21 VVVPGLRKXQSQSZ-UHFFFAOYSA-N 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 125000004430 oxygen atom Chemical group O* 0.000 description 3
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- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 description 3
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 2
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- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 description 2
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- RICKKZXCGCSLIU-UHFFFAOYSA-N 2-[2-[carboxymethyl-[[3-hydroxy-5-(hydroxymethyl)-2-methylpyridin-4-yl]methyl]amino]ethyl-[[3-hydroxy-5-(hydroxymethyl)-2-methylpyridin-4-yl]methyl]amino]acetic acid Chemical compound CC1=NC=C(CO)C(CN(CCN(CC(O)=O)CC=2C(=C(C)N=CC=2CO)O)CC(O)=O)=C1O RICKKZXCGCSLIU-UHFFFAOYSA-N 0.000 description 1
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- BCHZICNRHXRCHY-UHFFFAOYSA-N 2h-oxazine Chemical compound N1OC=CC=C1 BCHZICNRHXRCHY-UHFFFAOYSA-N 0.000 description 1
- DHDHJYNTEFLIHY-UHFFFAOYSA-N 4,7-diphenyl-1,10-phenanthroline Chemical group C1=CC=CC=C1C1=CC=NC2=C1C=CC1=C(C=3C=CC=CC=3)C=CN=C21 DHDHJYNTEFLIHY-UHFFFAOYSA-N 0.000 description 1
- DIVZFUBWFAOMCW-UHFFFAOYSA-N 4-n-(3-methylphenyl)-1-n,1-n-bis[4-(n-(3-methylphenyl)anilino)phenyl]-4-n-phenylbenzene-1,4-diamine Chemical group CC1=CC=CC(N(C=2C=CC=CC=2)C=2C=CC(=CC=2)N(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=C(C)C=CC=2)C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=C(C)C=CC=2)=C1 DIVZFUBWFAOMCW-UHFFFAOYSA-N 0.000 description 1
- BPMFPOGUJAAYHL-UHFFFAOYSA-N 9H-Pyrido[2,3-b]indole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=N1 BPMFPOGUJAAYHL-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 description 1
- 125000002877 alkyl aryl group Chemical group 0.000 description 1
- 150000001454 anthracenes Chemical class 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 125000003636 chemical group Chemical group 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 238000010668 complexation reaction Methods 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010657 cyclometalation reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 150000002829 nitrogen Chemical class 0.000 description 1
- 238000013086 organic photovoltaic Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- KBBSSGXNXGXONI-UHFFFAOYSA-N phenanthro[9,10-b]pyrazine Chemical compound C1=CN=C2C3=CC=CC=C3C3=CC=CC=C3C2=N1 KBBSSGXNXGXONI-UHFFFAOYSA-N 0.000 description 1
- RIYPENPUNLHEBK-UHFFFAOYSA-N phenanthro[9,10-b]pyridine Chemical compound C1=CC=C2C3=CC=CC=C3C3=CC=CC=C3C2=N1 RIYPENPUNLHEBK-UHFFFAOYSA-N 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- 125000004437 phosphorous atom Chemical group 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 150000004033 porphyrin derivatives Chemical class 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- PBMFSQRYOILNGV-UHFFFAOYSA-N pyridazine Chemical compound C1=CC=NN=C1 PBMFSQRYOILNGV-UHFFFAOYSA-N 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 238000010129 solution processing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 125000003107 substituted aryl group Chemical group 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000001947 vapour-phase growth Methods 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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Abstract
Description
ある態様によれば、第一の配位子L1を含む化合物を提供し、L1は以下に示す式Iの構造を有する。
一般に、OLEDは、アノードとカソードとの間に配置され且つそれらと電気的に接続された少なくとも1つの有機層を含む。電流が流された場合、有機層(1又は複数)にアノードは正孔を注入し、カソードは電子を注入する。注入された正孔と電子はそれぞれ反対に帯電した電極に向かって移動する。電子と正孔が同じ分子上に局在する場合、励起エネルギー状態を有する局在化された電子−正孔対である「励起子」が形成される。励起子が発光機構によって緩和するときに光が発せられる。いくつかの場合には、励起子はエキシマー又はエキシプレックス上に局在化されうる。非放射機構、例えば、熱緩和も起こりうるが、通常は好ましくないと考えられる。
及び、Baldoら,“Very high-efficiency green organic light-emitting devices based on electrophosphorescence”, Appl. Phys. Lett., vol. 75, No. 3, 4-6 (1999) (“Baldo-II”)、これらを参照により全体を援用する。燐光は、米国特許第7,279,704号明細書の第5〜6欄に、より詳細に記載されており、これを参照により援用する。
E1はNであり;
E2はBであり;
R3及びR4は、モノ、ジ、トリ、テトラ置換、あるいは非置換を表し;
R1、R2、R3、及びR4はそれぞれ独立に、水素、重水素、ハライド、アルキル、シクロアルキル、ヘテロアルキル、アリールアルキル、アルコキシ、アリールオキシ、アミノ、シリル、アルケニル、シクロアルケニル、ヘテロアルケニル、アルキニル、アリール、ヘテロアリール、アシル、カルボニル、カルボン酸、エステル、ニトリル、イソニトリル、スルファニル、スルフィニル、スルホニル、ホスフィノ及びそれらの組み合わせからなる群から選択され;
任意の2つの隣接するR1、R2、R3、及びR4は任意選択で場合により結合されて環を形成していてもよく、その環はさらに置換されていてもよく;
金属MはE1及びE2と結合を形成しておらず;かつ、
L1は他の配位子と結合して、二座、三座、四座、五座、又は六座配位子を構成していてもよい。
Ra、Rb、Rc、及びRdは独立に、水素、重水素、ハライド、アルキル、シクロアルキル、ヘテロアルキル、アリールアルキル、アルコキシ、アリールオキシ、アミノ、シリル、アルケニル、シクロアルケニル、ヘテロアルケニル、アルキニル、アリール、ヘテロアリール、アシル、カルボニル、カルボン酸、エステル、ニトリル、イソニトリル、スルファニル、スルフィニル、スルホニル、ホスフィノ及びそれらの組み合わせからなる群から選択され;
Ra、Rb、Rc、及びRdのうち2つの隣接する置換基は、任意選択で場合により結合されて縮合環を形成するかあるいは多座配位子を形成していてもよい。
L2は金属Mに配位した第二の配位子であり;
各L2は同じであるか又は異なり;
mは、1からその金属Mに結合しうる配位子の最大数までの値であり;
m+nは、金属Mに結合しうる配位子の最大数であり;
R1、R2、及びR3のいずれかが任意選択によりL2と連結して、二座、三座、四座、五座、又は六座配位子を構成していてもよい。
X1、X2は、C、N、O、P、S、及びBからなる群から選択され;
Aは、5員又は6員の炭素環又はヘテロ環であり;
R5は、モノ、ジ、トリ、テトラ置換、あるいは非置換を表し;
R5は、水素、重水素、ハライド、アルキル、シクロアルキル、ヘテロアルキル、アリールアルキル、アルコキシ、アリールオキシ、アミノ、シリル、アルケニル、シクロアルケニル、ヘテロアルケニル、アルキニル、アリール、ヘテロアリール、アシル、カルボニル、カルボン酸、エステル、ニトリル、イソニトリル、スルファニル、スルフィニル、スルホニル、ホスフィノ及びそれらの組み合わせからなる群から選択され;
任意の2つの隣接するR1、R2、R3、R4、及びR5は任意選択により結合して環を形成してもよく、その環はさらに置換されていてもよい。
R、R′は独立に、水素、重水素、ハライド、アルキル、シクロアルキル、ヘテロアルキル、アリールアルキル、アルコキシ、アリールオキシ、アミノ、シリル、アルケニル、シクロアルケニル、ヘテロアルケニル、アルキニル、アリール、ヘテロアリール、アシル、カルボニル、カルボン酸、エステル、ニトリル、イソニトリル、スルファニル、スルフィニル、スルホニル、ホスフィノ及びそれらの組み合わせからなる群から選択され;
R、R′は任意選択によりいずれかの隣接する置換基と結合して環を形成してもよい。
ホストは金属錯体を含むことができる。ホストは、ベンゾ縮合チオフェン又はベンゾ縮合フランを含むトリフェニレンであることができる。ホスト中の任意の置換基は、CnH2n+1、OCnH2n+1、OAr1、N(CnH2n+1)2、N(Ar1)(Ar2)、CH=CH−CnH2n+1、C≡C−CnH2n+1、Ar1、Ar1−Ar2、CnH2n−Ar1からなる群から選択される非縮合置換基であるか、あるいは非置換であることができる。前述の置換基中、nは1〜10の範囲であることができ;Ar1及びAr2は独立に、ベンゼン、ビフェニル、ナフタレン、トリフェニレン、カルバゾール、及びそれらのヘテロ芳香族類似体からなる群から選択することができる。
有機発光デバイス中の特定の層に有用として本明細書に記載した物質は、そのデバイス中に存在するその他の広範囲にわたる物質と組み合わせて用いることができる。例えば、本明細書に開示した発光ドーパントは、存在してもよい広い範囲のホスト、輸送層、阻止層、注入層、電極、及びその他の層と組み合わせて用いることができる。以下に記載乃至言及した物質は、本明細書に記載した化合物と組み合わせて有用でありうる物質の非限定例であり、当業者は組み合わせて有用でありうるその他の物質を特定するために文献を容易に参考にすることができる。
フタロシアニン又はポルフィリン誘導体;芳香族アミン誘導体;インドロカルバゾール誘導体;フルオロ炭化水素を含むポリマー;導電性ドーパントを伴うポリマー;導電性ポリマー、例えば、PEDOT/PSS;ホスホン酸及びシラン誘導体などの化合物から誘導される自己組織化モノマー;金属酸化物誘導体、例えば、MoOx;p型半導体有機化合物、例えば、1,4,5,8,9,12−ヘキサアザトリフェニレンヘキサカルボニトリル;金属錯体、及び架橋性化合物。
Claims (15)
- 第一の配位子L1を含む化合物であって、
L1は下記式:
E1はNであり;
E2はBであり;
R3及びR4は、モノ、ジ、トリ、テトラ置換、あるいは非置換を表し;
R1、R2、R3、及びR4はそれぞれ独立に、水素、重水素、ハライド、アルキル、シクロアルキル、ヘテロアルキル、アリールアルキル、アルコキシ、アリールオキシ、アミノ、シリル、アルケニル、シクロアルケニル、ヘテロアルケニル、アルキニル、アリール、ヘテロアリール、アシル、カルボニル、カルボン酸、エステル、ニトリル、イソニトリル、スルファニル、スルフィニル、スルホニル、ホスフィノ及びそれらの組み合わせからなる群から選択され;
任意の2つの隣接するR1、R2、R3、及びR4は任意選択で場合により結合されて環を形成していてもよく、その環はさらに置換されていてもよい。)
からなり、
L1は40より大きな原子量を有する金属Mに配位しており、但し、前記金属MはE1及びE2と結合を形成しておらず;かつ、
L1は他の配位子と結合して、二座、三座、四座、五座、又は六座配位子を構成していてもよい、
化合物。 - 前記金属Mは、Ir、Pt、Re、Os、Ru、Rh、Pd、Cu、Ag、及びAuからなる群から選択される金属である、請求項1に記載の化合物。
- ヘテロレプティックであり、第二の配位子L2を含み、
前記配位子L2、又は配位子L2が二座より多座である場合には配位子L2の一部は、以下の:
Ra、Rb、Rc、及びRdは独立に、水素、重水素、ハライド、アルキル、シクロアルキル、ヘテロアルキル、アリールアルキル、アルコキシ、アリールオキシ、アミノ、シリル、アルケニル、シクロアルケニル、ヘテロアルケニル、アルキニル、アリール、ヘテロアリール、アシル、カルボニル、カルボン酸、エステル、ニトリル、イソニトリル、スルファニル、スルフィニル、スルホニル、ホスフィノ及びそれらの組み合わせからなる群から選択され;
Ra、Rb、Rc、及びRdのうち2つの隣接する置換基は、任意選択で場合により結合されて縮合環を形成するかあるいは多座配位子を形成していてもよい。)
からなる群から選択される、請求項1に記載の化合物。 - R1、R2、又はその両方が、5員又は6員の炭素環式又はヘテロ環式芳香環を含み;かつ、
R1又はR2が前記金属Mに配位している、請求項1に記載の化合物。 - 第一の有機発光デバイスを含み、さらに、
アノード;
カソード;及び
前記アノードとカソードの間に配置された有機層
を含む第一のデバイスであって、
前記有機層が配位子L1を含む化合物を含み、
L1が下記式:
E1はNであり;
E2はBであり;
R3及びR4は、モノ、ジ、トリ、テトラ置換、あるいは非置換を表し;
R1、R2、R3、及びR4はそれぞれ独立に、水素、重水素、ハライド、アルキル、シクロアルキル、ヘテロアルキル、アリールアルキル、アルコキシ、アリールオキシ、アミノ、シリル、アルケニル、シクロアルケニル、ヘテロアルケニル、アルキニル、アリール、ヘテロアリール、アシル、カルボニル、カルボン酸、エステル、ニトリル、イソニトリル、スルファニル、スルフィニル、スルホニル、ホスフィノ及びそれらの組み合わせからなる群から選択され;
任意の2つの隣接するR1、R2、R3、及びR4は任意選択で場合により結合されて環を形成していてもよく、その環はさらに置換されていてもよい。)
からなり、
L1は40より大きな原子量を有する金属Mに配位しており、但し、前記金属MはE1及びE2と結合を形成しておらず;かつ、
L1は他の配位子と結合して、二座、三座、四座、五座、又は六座配位子を構成していてもよい、
第一のデバイス。 - 消費者製品、有機発光デバイス、発光パネル、又はそれらの組み合わせ物である、請求項8に記載の第一のデバイス。
- 前記有機層が発光層であり、前記化合物が発光ドーパントである、請求項8に記載の第一のデバイス。
- 前記有機層が発光層であり、前記化合物が非発光ドーパントである、請求項8に記載の第一のデバイス。
- 前記有機層がホストをさらに含む、請求項8に記載の第一のデバイス。
- 前記ホストが、ベンゾ縮合チオフェン又はベンゾ縮合フランを有するトリフェニレンであり;
前記ホスト中の任意の置換基が、CnH2n+1、OCnH2n+1、OAr1、N(CnH2n+1)2、N(Ar1)(Ar2)、CH=CH−CnH2n+1、C≡C−CnH2n+1、Ar1、Ar1−Ar2、CnH2n−Ar1からなる群から選択される非縮合置換基であるか、あるいは非置換であることができ;
式中、nは1〜10であり;
Ar1及びAr2は独立に、ベンゼン、ビフェニル、ナフタレン、トリフェニレン、カルバゾール、及びそれらのヘテロ芳香族類似体からなる群から選択することができる、
請求項12に記載の第一のデバイス。 - 前記ホストが金属錯体を含む、請求項12に記載の第一のデバイス。
- 請求項1に記載の化合物を含む配合物。
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US20140014922A1 (en) | 2014-01-16 |
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